--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/ubsan/opts-1.c	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-fsanitize=undefined -fsanitize=shift -fsanitize=float-divide-by-zero -fdump-tree-optimized" } */
+/* { dg-skip-if "" { *-*-* } { "-flto -fno-fat-lto-objects" } } */
+/* { dg-final { scan-tree-dump-times "__ubsan_handle_divrem_overflow" 2 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "__ubsan_handle_shift_out_of_bounds" 1 "optimized" } } */
+
+int
+foo (int x, int y)
+{
+  return x / y;
+}
+
+int
+bar (int x, int y)
+{
+  return x << y;
+}
+
+float
+baz (float x, float y)
+{
+  return x / y;
+}